Research in Plant Disease 2006;12(1):10-14.
Published online April 30, 2006.
포도나무 갈색무늬병균(Pseudocercospora vitis (Lev.) Speg.)의 생육에 미치는 온도의 영향과 갈색무늬병 발생 포도나무의 피해해석
박종한, 한경숙, 이중섭, 서상태, 장한익, 김흥태
 
Effect of Temperature on Pathogen Growth and Damage Analysis of Leaf Spot Disease on Grapevine Caused by Pseudocercospora vitis in Korea
Jong Han Park, Kyeong Suk Han, Jung Sup Lee, Sang Tae Seo, Han Ik Jang, Heung Tae Kim
Abstract
This study was carried out to know damages of the grapevine trees by the disease to the leaf spot from 2000 to 2003. The isolates collected from different varieties and locations were identified as Pseudocercospora vitis (Lév.) Speg. based on the morphological and cultural characteristics. According to the in vitro test, the range of temperatures for the mycerial growth and the conidical germination of the fungus were from 10oC to 35oC and optimum temperature was 25oC. There were remarkably different features between a low infection trees group and high infection trees group in terms of number of leaves per fruit branch, length and diameter of internode and leaf area.
Key Words: Damage analysis, Grapevine, Leaf spot, Pseudocercospora vitis


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